#! /usr/bin/perl -w # This file is part of ff3d - http://www.freefem.org/ff3d # Copyright (C) 2003 Laboratoire J.-L. Lions UPMC Paris # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software Foundation, # Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # $Id: refined.pl,v 1.1 2003/10/24 12:30:31 ArceneL Exp $ # Test with a finer mesh, at least in one direction. require 'check.ph'; # The Povray scene: a basic box, made of 6 planes. WriteFile('test.pov',<< 'EOF'); intersection{ plane{<1,0,0>,1.0} plane{<-1,0,0>,1.0} plane{<0,1,0>,1.0} plane{<0,-1,0>,1.0} plane{<0,0,1>,1.0} plane{<0,0,-1>,1.0} pigment{color rgb <1,0,0>} } EOF # Runs the FreeFEM3D script Run(<< 'EOF'); vector n = (13,13,130); vertex a = (-2,-2,-2); vertex b = (2,2,2); mesh M = structured(n,a,b); scene S = pov("test.pov"); domain O = domain(S,outside(<1,0,0>)); solve(u) in O by M{ pde(u) -div(grad(u)) = 1; u = 0 on <1,0,0>; u = 0 on M; }; // Prints the value of one particular point, at the center of the // domain. If the cube is correctly defined, this point should have a // precise value. cout << "u(0,0,0)=" << u(0,0,0) << "\n"; // Also saves the mesh, just for debugging purposes. save(medit,"test",u,M); save(medit,"test",M); EOF # Compares the resulting output with a reference VectorCheck('test.bb','refined-ref.bb',1e-6); Report();